Provider and hospital characteristics associated with geographic variation in the evaluation and management of elderly patients with heart failure.
Havranek EP, Wolfe P, Masoudi FA, Rathore SS, Krumholz HM, Ordin DL. Provider and hospital characteristics associated with geographic variation in the evaluation and management of elderly patients with heart failure. Arch Intern Med. 2004 Jun 14; 164(11):1186-91.